For AAA titles, sure, but there's a long tail of indies, game jam entries etc. For something retro-styled like Dwarf Fortress or Baba Is You, I can absolutely believe that asset size is relatively minor compared to e.g. a Unity baseline footprint.
Harking back to ancient history for a moment, Frontier: Elite II was a AAA title for its day and was basically all code.
Harking back to ancient history for a moment, Frontier: Elite II was a AAA title for its day and was basically all code.